Measurement results by the hour (Chofu) 25 Mar., 2024 - 31 Mar., 2024

Shown in µGy/h (microgray per hour)

Gray indicates an amount of energy (absorbed dose) when radiation hits a material object, and 1 gray (Gy) of radiation doses in the air can be converted to 1 sievert (Sv).

Measurement time Dose rate
μGy/h (microgray per hour)
Maximum value Minimum value Average value
23:01-24:00, Sun., 31 Mar. 0.0304 0.0262 0.0282
22:01-23:00, Sun., 31 Mar. 0.0303 0.0263 0.0283
21:01-22:00, Sun., 31 Mar. 0.0301 0.0262 0.0282
20:01-21:00, Sun., 31 Mar. 0.0301 0.0262 0.0279
19:01-20:00, Sun., 31 Mar. 0.0309 0.0266 0.0282
18:01-19:00, Sun., 31 Mar. 0.0310 0.0258 0.0280
17:01-18:00, Sun., 31 Mar. 0.0305 0.0258 0.0281
16:01-17:00, Sun., 31 Mar. 0.0312 0.0269 0.0283
15:01-16:00, Sun., 31 Mar. 0.0307 0.0269 0.0284
14:01-15:00, Sun., 31 Mar. 0.0306 0.0265 0.0284
13:01-14:00, Sun., 31 Mar. 0.0298 0.0264 0.0282
12:01-13:00, Sun., 31 Mar. 0.0299 0.0252 0.0281
11:01-12:00, Sun., 31 Mar. 0.0303 0.0258 0.0280
10:01-11:00, Sun., 31 Mar. 0.0309 0.0262 0.0285
09:01-10:00, Sun., 31 Mar. 0.0304 0.0262 0.0283
08:01-09:00, Sun., 31 Mar. 0.0308 0.0270 0.0288
07:01-08:00, Sun., 31 Mar. 0.0322 0.0264 0.0293
06:01-07:00, Sun., 31 Mar. 0.0306 0.0268 0.0290
05:01-06:00, Sun., 31 Mar. 0.0310 0.0266 0.0286
04:01-05:00, Sun., 31 Mar. 0.0308 0.0263 0.0285
03:01-04:00, Sun., 31 Mar. 0.0310 0.0263 0.0281
02:01-03:00, Sun., 31 Mar. 0.0298 0.0258 0.0280
01:01-02:00, Sun., 31 Mar. 0.0308 0.0266 0.0280
00:01-01:00, Sun., 31 Mar. 0.0304 0.0264 0.0280
23:01-24:00, Sat., 30 Mar. 0.0305 0.0260 0.0280
22:01-23:00, Sat., 30 Mar. 0.0299 0.0259 0.0278
21:01-22:00, Sat., 30 Mar. 0.0298 0.0257 0.0279
20:01-21:00, Sat., 30 Mar. 0.0296 0.0255 0.0277
19:01-20:00, Sat., 30 Mar. 0.0304 0.0249 0.0278
18:01-19:00, Sat., 30 Mar. 0.0297 0.0253 0.0277
17:01-18:00, Sat., 30 Mar. 0.0292 0.0253 0.0277
16:01-17:00, Sat., 30 Mar. 0.0297 0.0254 0.0276
15:01-16:00, Sat., 30 Mar. 0.0308 0.0257 0.0277
14:01-15:00, Sat., 30 Mar. 0.0298 0.0252 0.0278
13:01-14:00, Sat., 30 Mar. 0.0294 0.0263 0.0280
12:01-13:00, Sat., 30 Mar. 0.0304 0.0262 0.0284
11:01-12:00, Sat., 30 Mar. 0.0303 0.0253 0.0281
10:01-11:00, Sat., 30 Mar. 0.0308 0.0262 0.0281
09:01-10:00, Sat., 30 Mar. 0.0310 0.0254 0.0284
08:01-09:00, Sat., 30 Mar. 0.0304 0.0273 0.0288
07:01-08:00, Sat., 30 Mar. 0.0310 0.0265 0.0288
06:01-07:00, Sat., 30 Mar. 0.0315 0.0268 0.0289
05:01-06:00, Sat., 30 Mar. 0.0311 0.0263 0.0289
04:01-05:00, Sat., 30 Mar. 0.0307 0.0256 0.0285
03:01-04:00, Sat., 30 Mar. 0.0304 0.0266 0.0284
02:01-03:00, Sat., 30 Mar. 0.0303 0.0270 0.0282
01:01-02:00, Sat., 30 Mar. 0.0310 0.0256 0.0282
00:01-01:00, Sat., 30 Mar. 0.0303 0.0264 0.0283
23:01-24:00, Fri., 29 Mar. 0.0297 0.0256 0.0276
22:01-23:00, Fri., 29 Mar. 0.0295 0.0249 0.0276
21:01-22:00, Fri., 29 Mar. 0.0297 0.0249 0.0275
20:01-21:00, Fri., 29 Mar. 0.0291 0.0250 0.0274
19:01-20:00, Fri., 29 Mar. 0.0301 0.0255 0.0274
18:01-19:00, Fri., 29 Mar. 0.0298 0.0256 0.0276
17:01-18:00, Fri., 29 Mar. 0.0298 0.0255 0.0277
16:01-17:00, Fri., 29 Mar. 0.0302 0.0261 0.0281
15:01-16:00, Fri., 29 Mar. 0.0301 0.0260 0.0279
14:01-15:00, Fri., 29 Mar. 0.0322 0.0260 0.0288
13:01-14:00, Fri., 29 Mar. 0.0344 0.0279 0.0315
12:01-13:00, Fri., 29 Mar. 0.0359 0.0306 0.0333
11:01-12:00, Fri., 29 Mar. 0.0432 0.0333 0.0386
10:01-11:00, Fri., 29 Mar. 0.0430 0.0362 0.0391
09:01-10:00, Fri., 29 Mar. 0.0386 0.0342 0.0365
08:01-09:00, Fri., 29 Mar. 0.0399 0.0344 0.0368
07:01-08:00, Fri., 29 Mar. 0.0376 0.0315 0.0343
06:01-07:00, Fri., 29 Mar. 0.0388 0.0321 0.0352
05:01-06:00, Fri., 29 Mar. 0.0403 0.0353 0.0381
04:01-05:00, Fri., 29 Mar. 0.0418 0.0357 0.0387
03:01-04:00, Fri., 29 Mar. 0.0395 0.0356 0.0377
02:01-03:00, Fri., 29 Mar. 0.0404 0.0349 0.0379
01:01-02:00, Fri., 29 Mar. 0.0412 0.0347 0.0377
00:01-01:00, Fri., 29 Mar. 0.0415 0.0359 0.0390
23:01-24:00, Thu., 28 Mar. 0.0423 0.0354 0.0384
22:01-23:00, Thu., 28 Mar. 0.0375 0.0329 0.0354
21:01-22:00, Thu., 28 Mar. 0.0362 0.0304 0.0335
20:01-21:00, Thu., 28 Mar. 0.0342 0.0296 0.0322
19:01-20:00, Thu., 28 Mar. 0.0325 0.0283 0.0304
18:01-19:00, Thu., 28 Mar. 0.0309 0.0259 0.0282
17:01-18:00, Thu., 28 Mar. 0.0295 0.0250 0.0273
16:01-17:00, Thu., 28 Mar. 0.0293 0.0259 0.0274
15:01-16:00, Thu., 28 Mar. 0.0294 0.0247 0.0274
14:01-15:00, Thu., 28 Mar. 0.0297 0.0261 0.0276
13:01-14:00, Thu., 28 Mar. 0.0298 0.0253 0.0280
12:01-13:00, Thu., 28 Mar. 0.0302 0.0254 0.0280
11:01-12:00, Thu., 28 Mar. 0.0304 0.0263 0.0281
10:01-11:00, Thu., 28 Mar. 0.0298 0.0262 0.0283
09:01-10:00, Thu., 28 Mar. 0.0308 0.0262 0.0281
08:01-09:00, Thu., 28 Mar. 0.0298 0.0266 0.0283
07:01-08:00, Thu., 28 Mar. 0.0309 0.0263 0.0282
06:01-07:00, Thu., 28 Mar. 0.0304 0.0260 0.0281
05:01-06:00, Thu., 28 Mar. 0.0301 0.0257 0.0280
04:01-05:00, Thu., 28 Mar. 0.0306 0.0259 0.0279
03:01-04:00, Thu., 28 Mar. 0.0295 0.0253 0.0276
02:01-03:00, Thu., 28 Mar. 0.0293 0.0259 0.0276
01:01-02:00, Thu., 28 Mar. 0.0292 0.0257 0.0276
00:01-01:00, Thu., 28 Mar. 0.0294 0.0249 0.0274
23:01-24:00, Wed., 27 Mar. 0.0294 0.0251 0.0273
22:01-23:00, Wed., 27 Mar. 0.0297 0.0248 0.0271
21:01-22:00, Wed., 27 Mar. 0.0290 0.0256 0.0271
20:01-21:00, Wed., 27 Mar. 0.0301 0.0248 0.0271
19:01-20:00, Wed., 27 Mar. 0.0291 0.0245 0.0272
18:01-19:00, Wed., 27 Mar. 0.0298 0.0252 0.0272
17:01-18:00, Wed., 27 Mar. 0.0294 0.0253 0.0271
16:01-17:00, Wed., 27 Mar. 0.0288 0.0248 0.0271
15:01-16:00, Wed., 27 Mar. 0.0287 0.0255 0.0273
14:01-15:00, Wed., 27 Mar. 0.0298 0.0249 0.0271
13:01-14:00, Wed., 27 Mar. 0.0294 0.0252 0.0273
12:01-13:00, Wed., 27 Mar. 0.0301 0.0250 0.0273
11:01-12:00, Wed., 27 Mar. 0.0289 0.0257 0.0272
10:01-11:00, Wed., 27 Mar. 0.0289 0.0255 0.0271
09:01-10:00, Wed., 27 Mar. 0.0291 0.0254 0.0273
08:01-09:00, Wed., 27 Mar. 0.0294 0.0246 0.0272
07:01-08:00, Wed., 27 Mar. 0.0296 0.0251 0.0272
06:01-07:00, Wed., 27 Mar. 0.0293 0.0252 0.0272
05:01-06:00, Wed., 27 Mar. 0.0289 0.0249 0.0271
04:01-05:00, Wed., 27 Mar. 0.0302 0.0255 0.0273
03:01-04:00, Wed., 27 Mar. 0.0290 0.0254 0.0274
02:01-03:00, Wed., 27 Mar. 0.0301 0.0240 0.0275
01:01-02:00, Wed., 27 Mar. 0.0296 0.0259 0.0278
00:01-01:00, Wed., 27 Mar. 0.0310 0.0263 0.0284
23:01-24:00, Tue., 26 Mar. 0.0322 0.0279 0.0298
22:01-23:00, Tue., 26 Mar. 0.0363 0.0307 0.0339
21:01-22:00, Tue., 26 Mar. 0.0384 0.0323 0.0351
20:01-21:00, Tue., 26 Mar. 0.0431 0.0356 0.0391
19:01-20:00, Tue., 26 Mar. 0.0444 0.0389 0.0416
18:01-19:00, Tue., 26 Mar. 0.0471 0.0405 0.0437
17:01-18:00, Tue., 26 Mar. 0.0564 0.0424 0.0484
16:01-17:00, Tue., 26 Mar. 0.0635 0.0530 0.0583
15:01-16:00, Tue., 26 Mar. 0.0639 0.0509 0.0576
14:01-15:00, Tue., 26 Mar. 0.0570 0.0476 0.0523
13:01-14:00, Tue., 26 Mar. 0.0528 0.0433 0.0466
12:01-13:00, Tue., 26 Mar. 0.0544 0.0456 0.0495
11:01-12:00, Tue., 26 Mar. 0.0545 0.0468 0.0503
10:01-11:00, Tue., 26 Mar. 0.0541 0.0440 0.0490
09:01-10:00, Tue., 26 Mar. 0.0487 0.0427 0.0455
08:01-09:00, Tue., 26 Mar. 0.0471 0.0306 0.0390
07:01-08:00, Tue., 26 Mar. 0.0313 0.0269 0.0289
06:01-07:00, Tue., 26 Mar. 0.0320 0.0272 0.0292
05:01-06:00, Tue., 26 Mar. 0.0308 0.0262 0.0281
04:01-05:00, Tue., 26 Mar. 0.0302 0.0262 0.0280
03:01-04:00, Tue., 26 Mar. 0.0310 0.0262 0.0281
02:01-03:00, Tue., 26 Mar. 0.0308 0.0264 0.0288
01:01-02:00, Tue., 26 Mar. 0.0306 0.0265 0.0287
00:01-01:00, Tue., 26 Mar. 0.0308 0.0266 0.0286
23:01-24:00, Mon., 25 Mar. 0.0298 0.0259 0.0280
22:01-23:00, Mon., 25 Mar. 0.0301 0.0260 0.0281
21:01-22:00, Mon., 25 Mar. 0.0301 0.0257 0.0281
20:01-21:00, Mon., 25 Mar. 0.0295 0.0264 0.0280
19:01-20:00, Mon., 25 Mar. 0.0301 0.0256 0.0280
18:01-19:00, Mon., 25 Mar. 0.0307 0.0256 0.0280
17:01-18:00, Mon., 25 Mar. 0.0306 0.0262 0.0282
16:01-17:00, Mon., 25 Mar. 0.0312 0.0270 0.0288
15:01-16:00, Mon., 25 Mar. 0.0336 0.0276 0.0305
14:01-15:00, Mon., 25 Mar. 0.0353 0.0304 0.0327
13:01-14:00, Mon., 25 Mar. 0.0350 0.0307 0.0328
12:01-13:00, Mon., 25 Mar. 0.0357 0.0315 0.0333
11:01-12:00, Mon., 25 Mar. 0.0346 0.0308 0.0329
10:01-11:00, Mon., 25 Mar. 0.0387 0.0329 0.0358
09:01-10:00, Mon., 25 Mar. 0.0429 0.0366 0.0397
08:01-09:00, Mon., 25 Mar. 0.0437 0.0361 0.0402
07:01-08:00, Mon., 25 Mar. 0.0417 0.0346 0.0383
06:01-07:00, Mon., 25 Mar. 0.0449 0.0378 0.0402
05:01-06:00, Mon., 25 Mar. 0.0439 0.0381 0.0412
04:01-05:00, Mon., 25 Mar. 0.0420 0.0310 0.0355
03:01-04:00, Mon., 25 Mar. 0.0332 0.0270 0.0296
02:01-03:00, Mon., 25 Mar. 0.0321 0.0263 0.0290
01:01-02:00, Mon., 25 Mar. 0.0312 0.0259 0.0290
00:01-01:00, Mon., 25 Mar. 0.0310 0.0270 0.0293